This file is part of the Sibley Mirroring Project.
Guessing the initial publisher information / reprint data from the plate (and other similar circumstances in which Hamelle reprinted Maho scores.) Google seems to agree, estimating in Google Books that some of Boisdeffre's other contemporaneous chamber works (op. 13, etc.) were published by Maho and around the early, not the late, 1870s.